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Fencer Intel
medium 4.3

CVE-2013-0281 json

Pacemaker 1.1.10, when remote Cluster Information Base (CIB) configuration or resource management is enabled, does not limit the duration o…

published 12y ago modified 4mo ago also EUVD-2013-0305

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Pacemaker 1.1.10, when remote Cluster Information Base (CIB) configuration or resource management is enabled, does not limit the duration of connections to the blocking sockets, which allows remote attackers to cause a denial of service (connection blocking).

Patch / fix

  • pacemaker Debian 14, Debian 13, Debian 12 1.1.10-1

debian advisories DEBIAN-CVE-2013-0281

  • pacemaker RHEL 6 1.1.10-14.el6
  • pacemaker-cli RHEL 6 1.1.10-14.el6
  • pacemaker-cts RHEL 6 1.1.10-14.el6
  • pacemaker-libs RHEL 6 1.1.10-14.el6
  • pacemaker-remote RHEL 6 1.1.10-14.el6
  • pacemaker-cluster-libs RHEL 6 1.1.10-14.el6

red hat advisories RHSA-2013:1635

Is CVE-2013-0281 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-0281 updated cvss 2.6

pacemaker: remote DoS when CIB management is enabled caused by use of blocking sockets

  • Red Hat Enterprise Linux High Availability (v. 6) pacemaker 1.1.10-14.el6, pacemaker-cli 1.1.10-14.el6, pacemaker-cts 1.1.10-14.el6, pacemaker-libs 1.1.10-14.el6, pacemaker-remote 1.1.10-14.el6, pacemaker-cluster-libs 1.1.10-14.el6 Red Hat Enterprise Linux Resilient Storage (v. 6) pacemaker 1.1.10-14.el6, pacemaker-cli 1.1.10-14.el6, pacemaker-cts 1.1.10-14.el6, pacemaker-libs 1.1.10-14.el6, pacemaker-remote 1.1.10-14.el6, pacemaker-cluster-libs 1.1.10-14.el6 Red Hat Enterprise Linux Server Optional (v. 6) pacemaker 1.1.10-14.el6, pacemaker-cli 1.1.10-14.el6, pacemaker-cts 1.1.10-14.el6, pacemaker-libs 1.1.10-14.el6, pacemaker-remote 1.1.10-14.el6, pacemaker-cluster-libs 1.1.10-14.el6
    fixed: vendor fix RHSA-2013:1635

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/ClusterLabs/pacemaker/commit/564f7cc2a51dcd2f28ab12a13394f31be5aa3c93 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.